Identification of Bubble Nebulae around NGC 55 ULX-1 with MUSE Observations
Using the Multi Unit Spectroscopic Explorer (MUSE) instrument on the Very Large Telescope, we identified three bubble nebulae (denoted as A, B, and C) around an ultraluminous X-ray source (ULX) in NGC 55. Bubble A shows a regular elliptical shape surrounding the ULX, with a morphology similar to the...
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| Format: | Article |
| Language: | English |
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IOP Publishing
2023-01-01
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| Series: | The Astrophysical Journal |
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| Online Access: | https://doi.org/10.3847/1538-4357/acf374 |
| _version_ | 1797681473870888960 |
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| author | Changxing Zhou Hua Feng Fuyan Bian |
| author_facet | Changxing Zhou Hua Feng Fuyan Bian |
| author_sort | Changxing Zhou |
| collection | DOAJ |
| description | Using the Multi Unit Spectroscopic Explorer (MUSE) instrument on the Very Large Telescope, we identified three bubble nebulae (denoted as A, B, and C) around an ultraluminous X-ray source (ULX) in NGC 55. Bubble A shows a regular elliptical shape surrounding the ULX, with a morphology similar to the canonical ULX bubble around NGC 1313 X-2. It is most likely inflated by the ULX disk wind with a mechanical power close to 10 ^39 erg s ^−1 . Bubble B lies 11″ away from the ULX on the sky plane and is not contiguous to Bubble A. It displays a bow-shock-like morphology, and is likely driven by a collimated dark jet from the ULX with a mechanical power of about 3 × 10 ^38 erg s ^−1 . If this scenario is correct, we predict that Bubble B should present radio emission with a flux of about 1–10 ^2 μ Jy at 5 GHz. Bubble C appears within Bubble A, with a velocity and velocity dispersion distinct from the rest of Bubble A. Its nature is unclear and could be part of Bubble A as a result of low local density. The optical counterpart of ULX-1 exhibits broad H α , consistent with emission from a hot disk wind. |
| first_indexed | 2024-03-11T23:45:24Z |
| format | Article |
| id | doaj.art-c9367ab07f1f4acb85b79ac268641fba |
| institution | Directory Open Access Journal |
| issn | 1538-4357 |
| language | English |
| last_indexed | 2024-03-11T23:45:24Z |
| publishDate | 2023-01-01 |
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| series | The Astrophysical Journal |
| spelling | doaj.art-c9367ab07f1f4acb85b79ac268641fba2023-09-19T12:19:01ZengIOP PublishingThe Astrophysical Journal1538-43572023-01-0195516110.3847/1538-4357/acf374Identification of Bubble Nebulae around NGC 55 ULX-1 with MUSE ObservationsChangxing Zhou0https://orcid.org/0000-0002-5954-2571Hua Feng1https://orcid.org/0000-0001-7584-6236Fuyan Bian2https://orcid.org/0000-0002-1620-0897Department of Engineering Physics, Tsinghua University , Beijing 100084, People's Republic of ChinaDepartment of Astronomy, Tsinghua University , Beijing 100084, People's Republic of China ; hfeng@tsinghua.edu.cnEuropean Southern Observatory , Alonso de Córdova 3107, Casilla 19001, Vitacura, Santiago 19, Chile ; fuyan.bian@eso.orgUsing the Multi Unit Spectroscopic Explorer (MUSE) instrument on the Very Large Telescope, we identified three bubble nebulae (denoted as A, B, and C) around an ultraluminous X-ray source (ULX) in NGC 55. Bubble A shows a regular elliptical shape surrounding the ULX, with a morphology similar to the canonical ULX bubble around NGC 1313 X-2. It is most likely inflated by the ULX disk wind with a mechanical power close to 10 ^39 erg s ^−1 . Bubble B lies 11″ away from the ULX on the sky plane and is not contiguous to Bubble A. It displays a bow-shock-like morphology, and is likely driven by a collimated dark jet from the ULX with a mechanical power of about 3 × 10 ^38 erg s ^−1 . If this scenario is correct, we predict that Bubble B should present radio emission with a flux of about 1–10 ^2 μ Jy at 5 GHz. Bubble C appears within Bubble A, with a velocity and velocity dispersion distinct from the rest of Bubble A. Its nature is unclear and could be part of Bubble A as a result of low local density. The optical counterpart of ULX-1 exhibits broad H α , consistent with emission from a hot disk wind.https://doi.org/10.3847/1538-4357/acf374Ultraluminous x-ray sourcesEmission nebulaeSuperbubblesAccretion |
| spellingShingle | Changxing Zhou Hua Feng Fuyan Bian Identification of Bubble Nebulae around NGC 55 ULX-1 with MUSE Observations The Astrophysical Journal Ultraluminous x-ray sources Emission nebulae Superbubbles Accretion |
| title | Identification of Bubble Nebulae around NGC 55 ULX-1 with MUSE Observations |
| title_full | Identification of Bubble Nebulae around NGC 55 ULX-1 with MUSE Observations |
| title_fullStr | Identification of Bubble Nebulae around NGC 55 ULX-1 with MUSE Observations |
| title_full_unstemmed | Identification of Bubble Nebulae around NGC 55 ULX-1 with MUSE Observations |
| title_short | Identification of Bubble Nebulae around NGC 55 ULX-1 with MUSE Observations |
| title_sort | identification of bubble nebulae around ngc 55 ulx 1 with muse observations |
| topic | Ultraluminous x-ray sources Emission nebulae Superbubbles Accretion |
| url | https://doi.org/10.3847/1538-4357/acf374 |
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